diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2015-02-05 23:42:23 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-06 12:07:43 -0700 |
| commit | 38ad43e4360f289a24e6599c6a924421d8f23263 (patch) | |
| tree | 4feafec580cbcca6fec4ca87b5f018039ded6cfc /arch/x86/cpu/quark/hte.h | |
| parent | 0a391b1c797ba9deb8d746cf98a08b394f42e0ee (diff) | |
| download | blackbird-obmc-uboot-38ad43e4360f289a24e6599c6a924421d8f23263.tar.gz blackbird-obmc-uboot-38ad43e4360f289a24e6599c6a924421d8f23263.zip | |
x86: quark: Add utility codes needed for MRC
Add various utility codes needed for Quark MRC.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu/quark/hte.h')
| -rw-r--r-- | arch/x86/cpu/quark/hte.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/cpu/quark/hte.h b/arch/x86/cpu/quark/hte.h new file mode 100644 index 0000000000..6577796fd6 --- /dev/null +++ b/arch/x86/cpu/quark/hte.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2013, Intel Corporation + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * Ported from Intel released Quark UEFI BIOS + * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei + * + * SPDX-License-Identifier: Intel + */ + +#ifndef _HTE_H_ +#define _HTE_H_ + +enum { + MRC_MEM_INIT, + MRC_MEM_TEST +}; + +enum { + READ_TRAIN, + WRITE_TRAIN +}; + +/* + * EXP_LOOP_CNT field of HTE_CMD_CTL + * + * This CANNOT be less than 4! + */ +#define HTE_LOOP_CNT 5 + +/* random seed for victim */ +#define HTE_LFSR_VICTIM_SEED 0xF294BA21 + +/* random seed for aggressor */ +#define HTE_LFSR_AGRESSOR_SEED 0xEBA7492D + +u32 hte_mem_init(struct mrc_params *mrc_params, u8 flag); +u16 hte_basic_write_read(struct mrc_params *mrc_params, u32 addr, + u8 first_run, u8 mode); +u16 hte_write_stress_bit_lanes(struct mrc_params *mrc_params, + u32 addr, u8 first_run); +void hte_mem_op(u32 addr, u8 first_run, u8 is_write); + +#endif /* _HTE_H_ */ |
